Note 20 - Restricted Net Assets (Details) (USD $)	3 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Note 20 - Restricted Net Assets (Details) [Line Items]
Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries (in Dollars)		$ 7,300,000
Withholding Tax Rate Pursuant To EIT Law	10.00%cnet_WithholdingTaxRatePursuantToEITLaw
Preferential Withholding Tax Rate		5.00%cnet_PreferentialWithholdingTaxRate
Retained Earnings (Accumulated Deficit) (in Dollars)	3,434,000	5,222,000
Statutory Accounting Practices, Retained Earnings Not Available for Dividends (in Dollars)	2,607,000	2,607,000
WFOE [Member]
Note 20 - Restricted Net Assets (Details) [Line Items]
Minimum Percentage of Annual After-tax Profit for General Reserve	10.00%
Minimum Required Reserve as Percent of Registered Capital	50.00%
Domestic Enterprise [Member]
Note 20 - Restricted Net Assets (Details) [Line Items]
Minimum Percentage of Annual After-tax Profit for General Reserve	10.00%
Minimum Required Reserve as Percent of Registered Capital	50.00%
PRC Subsidiary and VIEs [Member]
Note 20 - Restricted Net Assets (Details) [Line Items]
Retained Earnings (Accumulated Deficit) (in Dollars)	29,400,000	30,800,000
Statutory Accounting Practices, Retained Earnings Not Available for Dividends (in Dollars)	2,800,000	$ 30,800,000

Minimum percentage of annual after-tax profit required to be appropriated as general reserve.

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- Definition

Minimum aggregate compulsory appropriatin of general reserve, measured by percentage of registered capital.

+ References

No definition available.

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- Definition

Preferential withholding tax rate in PRC.

+ References

No definition available.

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- Definition

Withholding tax rate pursuant to PRC Enterprise Income Tax law.

+ References

No definition available.

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- Definition

Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(e)(3)(ii))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph e

-Subparagraph 3

-Article 4

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- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 31

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.31(a)(3))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The amount of retained earnings as of the balance sheet date that cannot be distributed to stockholders pursuant to statutory rules and regulations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 505

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24708-158529

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